| 单词 | rotations |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔dihedral group〕The group of rotations and reflections of a regular polygon.二面角群：正多边形的反射和旋转群美国传统〔rotation〕The blades spin at 100 rotations per minute.叶片每分钟转 100 圈。朗文当代〔rotation〕The earth completes 366 rotations about its axis in every leap year.在每一个闰年里，地球绕地轴自转366圈。剑桥高阶〔rotation〕This switch controls the number of rotations per minute.这个开关控制着每分钟的转数。牛津高阶〔tachometer〕An instrument used to measure the rotations per minute of a rotating shaft.转速表：一种用于测量一根转轴每分钟转动次数的仪器美国传统The earth completes 366 rotations about its axis in every leap year.在每个闰年，地球绕地轴自转366圈。剑桥国际 |
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